321022340120420 has 48 divisors (see below), whose sum is σ = 676785996831168. Its totient is φ = 127907015886720.

The previous prime is 321022340120371. The next prime is 321022340120441. The reversal of 321022340120420 is 24021043220123.

It is a self number, because there is not a number n which added to its sum of digits gives 321022340120420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17080427 + ... + 30557906.

It is an arithmetic number, because the mean of its divisors is an integer number (14099708267316).

Almost surely, 2^{321022340120420} is an apocalyptic number.

It is an amenable number.

321022340120420 is an abundant number, since it is smaller than the sum of its proper divisors (355763656710748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321022340120420 is a wasteful number, since it uses less digits than its factorization.

321022340120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47639660 (or 47639658 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 321022340120420 its reverse (24021043220123), we get a palindrome (345043383340543).

The spelling of 321022340120420 in words is "three hundred twenty-one trillion, twenty-two billion, three hundred forty million, one hundred twenty thousand, four hundred twenty".